[INFO] fetching crate choosier 0.1.0...
[INFO] checking choosier-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate choosier 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate choosier 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate choosier 0.1.0
[INFO] finished tweaking crates.io crate choosier 0.1.0
[INFO] tweaked toml for crates.io crate choosier 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate choosier 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44919ad926d81fea70d5bd151db5c7e5e2ea726301443e9c5646dc2d072f5356
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44919ad926d81fea70d5bd151db5c7e5e2ea726301443e9c5646dc2d072f5356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44919ad926d81fea70d5bd151db5c7e5e2ea726301443e9c5646dc2d072f5356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44919ad926d81fea70d5bd151db5c7e5e2ea726301443e9c5646dc2d072f5356", kill_on_drop: false }`
[INFO] [stdout] 44919ad926d81fea70d5bd151db5c7e5e2ea726301443e9c5646dc2d072f5356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6adb2976e19e146a5120610b46c29d59cd78ebdcd2108777af8cf190335b2e16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6adb2976e19e146a5120610b46c29d59cd78ebdcd2108777af8cf190335b2e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking choosier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.58s
[INFO] running `Command { std: "docker" "inspect" "6adb2976e19e146a5120610b46c29d59cd78ebdcd2108777af8cf190335b2e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adb2976e19e146a5120610b46c29d59cd78ebdcd2108777af8cf190335b2e16", kill_on_drop: false }`
[INFO] [stdout] 6adb2976e19e146a5120610b46c29d59cd78ebdcd2108777af8cf190335b2e16
